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309  Articles
1 of 32 pages  |  10  records  |  more records»
With the mounting application of carburized or case-hardening gears and higher requirements of heavy-load, high-speed in mechanical systems such as wind turbines, helicopters, ships, etc., contact fatigue issues of gears are becoming more preponderant. Re... see more

According to the United Nations (UN), about 70% of the world’s population projected to live in urban areas by 2050. Therefore, cities are experiencing an enormous urban transition the world has ever seen, accounting for 80% of global carbon dioxide emissi... see more

Phenyl hydrogen polysiloxanes of different structures were prepared, and LED packaging silicone rubbers were made from these polysiloxanes. The hardness, elongation, tensile strength and anti-yellowing of the LED packaging silicone rubbers on lamps were c... see more


During physical distancing, children do not meet their peers to play or talk together. Peer relationships have a crucial influence on all child development, especially for social skills or behaviour during early childhood. This study aims to determine cha... see more


Background: COVID-19 is characterized by endothelial dysfunction and is presumed to have long-term cardiovascular sequelae. In this study, we aimed to explore the serum levels of endothelial biomarkers of COVID-19 recovers 1-year after hospital discharge.... see more



1 of 32 pages  |  10  records  |  more records»